The following discomforts need to be highly alert. 1, the body is increasingly weak, mental lassitude, limbs sore, less energy, lazy; 2, weak, often cold, or cold for a long time; often have low fever, or even high fever. 3, dizziness, headache, dizziness, blurred vision, tinnitus, palpitations, shortness of breath, or even fainting; 4, pale, yellowish, floating, lips and tongue light and bloodless, conjunctiva light; or see dull black eye sockets (commonly known as black circles), or red, purple and dull face without luster; 5, hair withering, hair loss; nails flat and sunken, easy to fold and crack; dry and wrinkled skin, poor elasticity; oral cavity erosion, swollen gums, tongue light 6, common bleeding spots or bruise patches on the skin, slight stabbing, scratching that bleeds more than, collision and extrusion, the subcutaneous see large bruise petechiae; 7, frequent nasal bleeding, gum bleeding, mouth and tongue purple dull blood bubbles; women menstruation as much as the collapse of the injection, or regardless of the cycle of dripping; 8, sternum, tibia pressure pain, joint pain or bone pain in the limbs; 9, abdominal distension, liver, spleen, lymph node enlargement.